I love the Zoo vs Internet story for pointing out that pet rats are no dirtier than other household pets, and this

Unlike a horse or a dog, which will get stopped by gangs of mindless children desperate to stroke them, the rat can use its natural repulsiveness to its advantage.

Go rat!

Entertainment... I know a lot of people say they get lost in TV Tropes, but the numerous links in this blog have the same effect on me.